Experimental Application of DTH Hammer Reverse Drilling Technology in Lala Copper Mine

ZHAI Li-xin; YANG Jian-li; WANG Lei-hao

doi:10.3969/j.issn.1672-7428.2016.01.016

2016 No. 1

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ZHAI Li-xin, YANG Jian-li, WANG Lei-hao. Experimental Application of DTH Hammer Reverse Drilling Technology in Lala Copper Mine[J]. DRILLING ENGINEERING, 2016, (1): 66-69. doi: 10.3969/j.issn.1672-7428.2016.01.016

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ZHAI Li-xin, YANG Jian-li, WANG Lei-hao. Experimental Application of DTH Hammer Reverse Drilling Technology in Lala Copper Mine[J]. DRILLING ENGINEERING, 2016, (1): 66-69. doi: 10.3969/j.issn.1672-7428.2016.01.016